Case 2

Automatic Address Setting in Heating Mode

●Indoor and outdoor unit power cannot be turned ON for each system separately.

In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work.

Automatic Address Setting from Outdoor Unit

1. Perform steps 1 and 2 in the same way as for

Case 1

.

2. Turn the indoor and outdoor unit power ON at all systems.

↓

3. To perform automatic address setting in

Heating mode

, on the outdoor unit control PCB in the refrigerant

system where you wish to set the addresses, short-circuit the automatic address pin (CN51) for 1 second or longer, then pull it out.

(Be sure to perform this process for one system at a time. Automatic address settings cannot be performed for more than one system at the same time.)

↓

(Communication for automatic address setting begins, the compressors turn ON, and automatic address

setting in heating mode begins.)

(All indoor units operate.)

↓* To cancel, again short-circuit the automatic address pin (CN51) for 1 second or longer, then pull it out. The LED that indicates automatic address setting is in progress turns OFF and the process is stopped.

(Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor unit control PCB turn OFF.)

4.At the outdoor unit in the next (different) system, short-circuit the automatic address pin (CN51) for 1 second or longer, then pull it out.

↓

(Repeat the same steps to complete automatic address setting for all units.)

↓

5.Operation from the remote controllers is now possible.

*To perform automatic address setting from the remote controller, perform steps 1 and 2, then use the remote controller complete automatic address setting.

Refer to “Automatic Address Setting from the Remote Controller.”

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Sanyo 85464359981002 installation instructions Automatic Address Setting in Heating Mode, Setting in heating mode begins
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85464359981002 specifications

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